Home / 748,593,441.41-1,032,989,621.96-414,058,763.72

Finding the Fourth Proportional to 748,593,441.41, 1,032,989,621.96 and 414,058,763.72

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Solution

The fourth proportional to 748,593,441.41, 1,032,989,621.96 and 414,058,763.72 is: 571,362,747.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,593,441.41 : 1,032,989,621.96 = 414,058,763.72 : x
  2. Step 2: Convert to fraction form
    748,593,441.41/1,032,989,621.96 = 414,058,763.72/x
  3. Step 3: Cross multiply
    748,593,441.41x = 1,032,989,621.96 × 414,058,763.72
  4. Step 4: Simplify right side
    748,593,441.41x = 427,718,405,807,965,376
  5. Step 5: Solve for x
    x = 427,718,405,807,965,376/748,593,441.41
  6. Step 6: Final answer
    x = 571,362,747.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.